Moves handful of files to ash/wm/common

ash/wm/mru_window_tracker.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/wm/mru_window_tracker.h"
 
 #include <algorithm>
 
 #include "ash/session/session_state_delegate.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/switchable_windows.h"
 #include "ash/wm/ash_focus_rules.h"
-#include "ash/wm/window_state.h"
+#include "ash/wm/common/window_state.h"
 #include "ash/wm/window_util.h"
 #include "ash/wm/workspace_controller.h"
 #include "base/bind.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/events/event.h"
 #include "ui/events/event_handler.h"
 #include "ui/wm/public/activation_client.h"
 
 namespace ash {
 
@@ skipping 164 matching lines @@
   mru_windows_.remove(window);
   window->RemoveObserver(this);
 }
 
 bool MruWindowTracker::IsWindowConsideredActivateable(
     aura::Window* window) const {
   return focus_rules_->IsWindowConsideredActivatable(window);
 }
 
 }  // namespace ash